[上古音]:幽部透母,thiu
[广 韵]:丑鳩切,下平18尤,chōu,流開三平尤徹
[平水韵]:下平十一尤·入声一屋·入声十二锡
[国 语]:zhóu,zhú
[粤 语]:suk6zuk6
[闽南语]:tiok8